This manual contains supplemental information that is unique to ACS580 input
disconnect configurations (0P). Refer to the base manual, ACS580-01 User’s Manual, for all other information. Intended for the United States
This supplement provides technical data and other information for the ACS580-0P, 415V/50Hz. drives. This
manual is the Installation Manual for the ACS580 drive with bypass. Intended for the United States.
The technical note reviews the evolution of the UL 508C standard and the harmonization to the new UL 61800-5-1 standard. Specifically, the changes to the investigation and testing requirements for Power Conversion Equipment and the resulting impact on ratings for short circuit current (SCCR).
This document compares and contrasts IEC contactors with NEMA contactors for use in a VFD package. IEC contactors are acceptable for most most VFD bypass packages that are applied to pump and fan applications.